New Study from Reveal’s Onna Finds Collaboration Data Drains 26 Hours Per Matter as 80% of Organizations Face Cost Overruns.
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Onna Vs. Microsoft Purview

For legal teams whose data lives well beyond Microsoft 365

Microsoft Purview governs Microsoft 365. Onna gives legal and IT teams a defensible single source of truth across the 29+ collaboration apps Purview can’t natively reach, and pairs with Logikcull for end-to-end review and production.

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Trusted by leading legal and compliance teams
FEATURES

Onna

Microsoft Purview

Slack in-place preservation & collection

Threaded preservation and collection of Slack conversations, edits, deletions, reactions, and attachments, with full metadata fidelity.

Google Workspace in-place preservation & collection

Native preservation and collection across Gmail, Drive, and Google Vault.

Partial

Microsoft preservation and collection

Onna preserves and collects M365 data in place (via Reveal Hold); Purview is native here.

Zoom, Atlassian, Salesforce, Dropbox, Miro, GitHub, ChatGPT, Gemini, and more

No-code connectors with continuous auto-sync across the modern collaboration stack.

Real-time indexing & immediate searchability across 1,000+ file types

Search across collected data within minutes of collection.

Partial

End-to-end workflow with Logikcull for review and production

Native pipeline from Onna collection to Logikcull review and production, no manual export between tools.

Defensible chain of custody across non-Microsoft collaboration data

Native in-place preservation for Slack, Google Workspace, and Quip; Microsoft 365 in-place preservation via Reveal Hold; other connected apps with full audit logs and chain of custody.

Trusted by Legal and IT Teams at the World’s Leading Companies

“Prior to Onna, we had to make requests to our IT Team to run data searches — most of which took days and weeks to run and return depending on the scope of the ask; at best, a minimum of 6 hours for one individual/custodian.”

Senior Paralegal
Venture Capital Company

“We cut costs by $40–$50K per collection and got access to our data in real-time.”

Wendy Weber
Senior Paralegal

“Onna has transformed our eDiscovery process. Moving more of our workflow in-house has given us the control and flexibility we need to be agile and meet the needs of multiple teams across our business.”

 Senior Litigation Paralegal
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Use Cases

Onna goes where Microsoft Purview can’t

Onna delivers a defensible single source of truth across collaboration data, and how Onna + Logikcull replaces the Purview Premium end-to-end story for non-Microsoft sources.

Single Unified Platform Across the Full Collaboration Stack
Fastest Timo to Deployment in the Market
Onna+Logikcull: A Complete eDiscovery Workflow
Defensible Preservation & Collections Through a Single Control Point
How We Help

29+ no-code connectors give legal and IT teams a defensible, single source of truth

  • Slack Google Workspace, Zoom, Atlassian, Box, Dropbox, Salesforce, Zendesk, Quip, Miro, GitHub, Microsoft 365, ChatGPT, Gemini and more — all in a single, searchable platform.
  • Onna preserves Slack threads, edits, deletions, reactions, and attachments with full metadata, while Purview eDiscovery is limited to Microsoft 365 sources.
  • Purview is M365-native; Onna is the only patented technology that collects, indexes, and searches across the entire tech stack simultaneously.
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How We Help

Onna users complete initial setup and first collection within one business day

  • Pre-built, no-code connectors require less than a half day of effort from a single IT resource, no Azure architecture, no E5 dependency.
  • ~80% less time than the average collection
  • Purview eDiscovery typically requires Microsoft 365 governance expertise and E5 / E5 Compliance licensing to unlock Premium features.
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How We Help

Pair Onna with Logikcull for a defensible, end-to-end path from collection to production

  • Collect targeted data with Onna from 29+ collaboration apps, then dive straight into review and production in Logikcull. Zero downloading, reprocessing, or reindexing.
  • Logikcull adds Culling Intelligence™ that cuts 70–90% of unresponsive data before review, generative AI for context-aware narratives, and PII detection with 99%+ accuracy.
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How We Help

Maintain defensibility by preserving relevant ESI with a single action

  • In-place preservation for Slack, Google Workspace, and Quip, near-native rendering preserves threads, edits, and reactions.
  • Comprehensive audit logs of every preservation, collection, and user action.
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More information

Learn More About Onna

Independent ratings, certifications, and primary research that back Onna’s defensibility and reach.

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Report

2026 Collaboration Data Risk & Readiness Report

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AI-Generated Content Evidence Authentication in 2026

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Custodian Interviews AI Tools eDiscovery Guide

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FAQs

Who should use Onna instead of Microsoft Purview?

Legal and IT teams whose work happens across many collaboration apps, not just Microsoft 365. Onna’s 29+ no-code connectors bring Slack, Google Workspace, Zoom, Atlassian, Salesforce, GitHub, ChatGPT, Gemini and more into a defensible single source of truth. Purview remains a strong fit for Microsoft 365 governance, DLP, and Insider Risk; many Onna customers run both, with Onna covering everything outside the M365 perimeter.

How does Onna help legal teams get up to speed faster than Purview?

Onna users complete initial setup and first collection within one business day, with pre-built, no-code connectors that require less than a half day of effort from a single IT resource. Purview Premium typically requires Microsoft 365 governance expertise and E5 / E5 Compliance licensing, plus migration to Microsoft’s unified eDiscovery experience.

How does Onna handle review and production?

Onna is the leading data collection and management platform for eDiscovery. For review and production, Onna is natively integrated with Logikcull. Collect with Onna, then move straight into Logikcull for review, redaction, and production.

How does Onna control eDiscovery?

Onna is purpose-built to prevent over-collection. Cull data sets by 70%+ before export using search, deduplication, and filtering.

How does Onna keep collections defensible?

Comprehensive audit logs of every preservation, collection, and user action; native in-place preservation for Slack, Google Workspace, and Quip; near-native rendering that preserves threads, edits, and reactions; role-based access controls; and WORM storage for tamper-proof immutability.

What security and compliance certifications does Onna hold?

ISO 27001, SOC 2 Type II, and HIPAA certified, deployed on Google Cloud Platform with AES-256 encryption, TLS 1.2+ in transit, and continuous third-party vulnerability scanning.

What security certifications do Onna and Logikcull hold?

Onna: ISO 27001, SOC 2 Type II, HIPAA, deployed on Google Cloud Platform with AES-256 encryption. Logikcull: SOC 2 Type II, AWS-hosted, 256-bit encryption, 99.99% uptime.

A single source of truth for every collaboration app, ready in one business day.

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